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1. |
The index numbers of five commodities are 100, 105, 110, 115, 120 and the weights assigned to these are respectively 5, 10, 5, 8, 15. Then what is the weighted average index number? |
A. | 100.57 |
B. | 105.69 |
C. | 112.09 |
D. | 117.17 |
Answer» D. 117.17 | |